AEBR 163 Fish and invertebrate bycatch and discards in New Zealand hoki, hake, and ling fisheries from 1990–91 until 2012–13.

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AEBR-163-Hoki-hake-ling-fishery-discards.pdf

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AEBR-163-Hoki-hake-ling-fishery-discards.pdf (15.1 MB)

Abstract
This report provides estimates of annual levels of bycatch and discards in the New Zealand hoki, hake, and ling target trawl fishery for 1990–91 to 2012–13, using commercial catch-effort data to scale up rates calculated from the observed portion of the fishery. Hoki, hake, and ling accounted for about 91% of the total catch; the main bycatch species were silver warehou, javelinfish, rattails, and spiny dogfish. Annual bycatch ranged from about 12 020 t to 37 730 t; annual discards ranged from about 3699 t to about 16 633 t.

Document date
Tuesday, 1 December 2015

Document type
V 1.3

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Adobe PDF

File size
15.1 MB

Reference number
163

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AEBR-163-Hoki-hake-ling-fishery-discards.pdf

Uploaded date
Tuesday, 1 December 2015

Search tags

AEBR: 163;
ISSN: 1179-6480;
ISBN: 978-1-77665-111-5;
ScienceStock: Aquatic Environment working group;
ResearchField: commercial catch; Linear mixed-effects model; ratio estimators; variability;
Author: Ballara; O’Driscoll;

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